Chen, Yao; Djamasbi, Soussan; Du, Juan; Lim, Sungmook - In: International Journal of Production Economics 146 (2013) 2, pp. 550-556
The conventional data envelopment analysis (DEA) assumes that the inputs and outputs are real values. However, in many real world instances, some inputs and outputs must be in integer values. While integer-valued DEA models have been proposed, the current paper develops an integer-valued DEA...